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Espressif Releases Datasheet for ESP32-S3 System-on-Chip

Espressif Systems has published a detailed datasheet for its ESP32-S3 system-on-chip (SoC), which supports Wi-Fi and Bluetooth LE connectivity. The chip is designed for low-power Internet of Things (IoT) devices.

21 June 2026
Espressif Releases Datasheet for ESP32-S3 System-on-Chip
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Espressif Systems has released a new datasheet for its ESP32-S3 series system-on-chip (SoC), integrating 2.4 GHz Wi-Fi and Bluetooth Low Energy (LE) capabilities. The chip is engineered for low-power Internet of Things (IoT) applications.

The ESP32-S3 SoC features a high-performance dual-core Xtensa LX7 microcontroller, a low-power coprocessor, Wi-Fi and Bluetooth LE basebands, and a radio module. It supports the IEEE 802.11b/g/n Wi-Fi standard in various modes, including Access Point (AP) and Station (STA). Bluetooth functionalities include Bluetooth 5 (LE), a high-power mode (20 dBm), and a 2 Mbps PHY speed.

With 512 KB of SRAM and 384 KB of ROM on-chip, the chip offers substantial storage capacity, alongside interfaces for external flash and RAM memory via SPI, Quad SPI, and Octal SPI. Security features include cryptographic hardware accelerators for AES, Hash, RSA, and HMAC operations, secure boot, and external memory encryption.

Mouser Electronics, a distributor of the chip, now provides access to these technical specifications. The release highlights the chip's suitability for a range of applications in consumer electronics, industrial automation, healthcare, and smart agriculture, where both wireless connectivity and low power consumption are critical.

Original source: mouser.com